12x-21=-42+47

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Solution for 12x-21=-42+47 equation: 



12x-21=-42+47

We move all terms to the left:

12x-21-(-42+47)=0

We add all the numbers together, and all the variables

12x-21-5=0

We add all the numbers together, and all the variables

12x-26=0

We move all terms containing x to the left, all other terms to the right

12x=26

x=26/12

x=2+1/6

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